Bonus points given at the end of the game to player on the 1st position by the one on the 3rd

Double East payment

No

Does the East pay double in case someone claims Tsumo

Tiles in the game

108

The number of tiles in the set used for the game

Dead wall

18

The number of tiles in the dead wall

Chii

No

Able to claim Chii in the game

Kuitan

Yes

A rule allowing an open Tanyao hand (No Terminals and Honours)

Atodzuke

Yes

A rule allowing a Ron on a hand without yaku - as long as the claimed tile brings a yaku

Kuigae

No

Claiming a melded set and then discarding a tile from the same set

Dabururon

Yes

A rule allowing a double-Ron, in the case of a triple-Ron the discarder credits all 3 players

Toripururon

No

As in Dabururon, when multiple players claim Ron on the same tile - all 3 are credited by the discarder

Akadora

3

Uradora

Yes

Additional Doras

Kandora

Yes

After each Kong claim additional Dora indicators are opened

Nuki Dora

North wind

Additional Dora tiles in the game

II Han Shibari

Yes

A rule requiring a minimum of 1 yaku for a winning hand

Yakitori

No

A rule requiring a penalty to be paid by a player that hasn’t won a single hand during the whole game

Bankruptcy

Yes

The game ends if one or more players drop to negative score

Riichi

Yes

A player with less than 1000 points cannot claim Riichi

Daburu Riichi

Yes

Claiming Riichi at the very first discard

Riichi claim on Furiten

Yes

A player can claim Riichi being on Furiten

Furiten

Yes

Not allowed to claim Ron being on Furiten

Renchan

Yes

Dealer’s win/Dealer having a tempai hand

Game ends at dealer’s win

Yes

If the dealer wins or has tempai in a draw game, and leads the scoreboard at the last distribution - the game ends

Shika-riichi

No

If 4 riichi claims are set - the game ends

Kyushu Kyuhai

Yes

A rule allowing a player to claim a draw with his initial hand if it has at least 9 yaochu (Terminals and Honours) as long as no combinations were claimed

Su Fon Renda

No

A draw is set if 4 same winds are discarded at the very first go-around, as long as no claims were made. The dealer changes

Draw on the 4th Kan

No

A draw is set when the same player claims their 4th Kan. The dealer changes

Nagashi Mangan

Yes

After an exhaustive draw, a player can claim this special hand if he has discarded only terminal and honour tiles and none of his discards has been claimed. The player receives payment equivalent to a mangan

Formal Tempai

Yes

A hand without yaku value can also be tempai

Insurance Penalty

Yes

A player that discards the tile that completes a Yakuman hand pays in full in case of Tsumo, half-in-half in case of Ron

Double Limit

Yes

Double yakuman payments are possible

Kazoe yakuman

Yes

If a hand is worth more than 12 yaku - only up to a “yakuman” payment can be given

Daisharin

Yes

(The Big Wheel) Seven consecutive pairs from 2 through 8 of the dots suit

Ryuu iisou

Yes

(All Green) Hand of green bamboo (2,3,4,6,8) and green dragons

Chuuren pooto

Yes

(Nine Gates) 1112345678999 + one duplicate of the same suit

Tenho

Yes

(Blessing of Heaven) The dealer wins on the initially distributed tiles